Annals of Occupational and Environmental Medicine

Hyeongsu Kim

4 Articles

Self-rated Health Level Comparisons by the Criteria of Precarious Employment Status: The Korean Labor and Income Survey: Keunwhoe Kim, Hun Jong Chung, Sounghoon Chang, Hyeongsu Kim, Daehee Noh, Kyunghee Jung-Choi; Korean Journal of Occupational and Environmental Medicine 2010;22(3):240-250. Published online September 30, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.3.240

OBJECTIVE: The purpose of this paper is to analyze the effects of precarious employment status on the level of self-rated health, based on various criteria, by participants in the Korean Labor and Income Panel Survey.
METHODS
Data were obtained from 3,268 subjects(2,057 men and 1,211 women), who participated in the 2005-2006 Korean Labor and Income Panel Survey. Group A was classified as Non-precarious employment by both the Ministry of Labor (MoLab) and the Korea Labor and Society Institute (KLSI). The group B was classified as Non-precarious employment by the MoLab and as precarious employment by the KLSI. The group C is classified as Non-precarious employment by both MoLab and KLSI. Outcome variables were self-rated health and a panel logistic regression analysis was performed on the data.
RESULTS
The level of self-rated health was worse among group B males (OR: 1.45, C.I:1.00~2.11) and group C males (OR: 1.69, C.I:1.35~2.10) compared to group A males. A substantial difference(57.8%) in the level of self-rated health between groups A and B was attributed to the sociodemographic characteristics of the populations. The difference in self-rated health between groups A and C was explained by work environments(15.7%), as well as by sociodemographic characteristics(26.1%). For female workers, the level of self-rated health in group B and C was worse than in group A, but this finding was not statistically significant.
CONCLUSIONS
These findings suggested that the policy to improve the working environment, as well as a more comprehensive effort to reduce the disparity, is needed for the precarious employment worker.

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Employment status and mortality among Korean men over a 13-year period
Dohee Lim, Kyoung Ae Kong, Hyesook Park, Kyunghee Jung-Choi
Epidemiology and Health.2021; 43: e2021055. CrossRef
Association between Working Hours and Self-Rated Health
Jongha Jeon, Wanhyung Lee, Won-Jun Choi, Seunghon Ham, Seong-Kyu Kang
International Journal of Environmental Research and Public Health.2020; 17(8): 2736. CrossRef

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The Cost of Occupational Health and Safety in Manufacturing Factories: Wonki Oh, Hyeongsu Kim, Changsu Um, Sounghoon Chang, Kunsei Lee, Kyunghee Jung-Choi, Keunwhoe Kim, Kwanhyung Lee; Korean Journal of Occupational and Environmental Medicine 2008;20(1):25-36. Published online March 31, 2008; DOI: https://doi.org/10.35371/kjoem.2008.20.1.25

Abstract PDF

OBJECTIVE: This study evaluated the cost for occupational health and safety in manufacturing factories in Korea according to the factory's size and the industrial classification.
METHODS
The costs to prevent occupational injuries and promote the general health of the workers were calculated by using the data of The Occupational Safety and Health Survey in Korea in the year of 2005 and the data of the Industrial Accident Compensation Insurance (IACI) premiums at the same factories for the year of 2004.
RESULTS
The mean cost per one worker was as follows: 990,000 won for the factory with 5~49 workers, 869,000 won for the factory with 50~299 workers and 1,773,000 won for the factory with more than 300 workers. In the factories with 5~49 workers and 50~299 workers, the premium for the IACI was the largest portion of the cost (62.8% and 52.8%, respectively) and the cost for gear to protect workers from dangerous machineries was the next biggest portion of the cost (20.1% and 19.1%, respectively). The largest portion of the cost in the factories with more than 300 workers was the premium for the IACI (37.5%).
CONCLUSIONS
The investment costs to prevent occupational injuries and to promote the general health of the workers were very diverse according to the size of the factories and the industrial classification. To reduce the occupational injuries and to promote the general health of the workers, systematic and continuous approaches to evaluate the investment costs for the occupational health and safety are required.

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Type and Characters of Agricultural Injury Subjective Burden
Kanwoo Youn, Sanghyuk Im, Jinwoo Park, Kyungsuk Lee, Hyeseon Chae
Journal of agricultural medicine and community health.2016; 41(1): 1. CrossRef
A Predictive Model of Workers' Quality of Life
Bok-Im Lee, Hye-Sun Jung
Korean Journal of Occupational Health Nursing.2011; 20(1): 35. CrossRef

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Effect of Sodium Benzoate on Change of Urinary Hippuric Acid and Methyl Hippuric Acid among Workers Coexposed to Toluene and Xylene: Kyunghee Jung-Choi, Sounghoon Chang, Hyeongsu Kim, Wonki Oh, Sang Baek Koh, Kunsei Lee, Suekyung Park; Korean Journal of Occupational and Environmental Medicine 2006;18(3):163-170. Published online September 30, 2006; DOI: https://doi.org/10.35371/kjoem.2006.18.3.163

Abstract PDF: OBJECTIVES
This study was performed to investigate the effect of drink containing sodium benzoate on the change of urinary hippuric acid (UHA) and methyl hippuric acid (UMHA) excretion among workers coexposed to low toluene and xylene.
METHODS
Study subjects were 55 male shipbuilders who were divided into 3 groups; nonexposed group (n=10, who were not exposed to organic solvent and had drunk sodium benzoate), exposed A group (n=24, who were coexposed to toluene and xylene, and had drunk sodium benzoate), and exposed B group (n=21, who were coexposed to toluene and xylene, and had not drunk sodium benzoate). The study methodology consisted of questionnaire survey, urinary analysis for metabolites of toluene and xylene before and after drinking with or without sodium benzoate, and personal air sampling of toluene and xylene.
RESULTS
Before drinking, there was no significant difference in UHA or UMHA between the exposed A and B groups. After 1.5 hour of drinking, UHA of the exposed A group was significantly higher than that of the exposed B group. After 3 hours, however, UHA of the exposed A group was decreased to the level of the exposed B group, regardless of the ambient toluene level. UMHA exhibited no significant difference between the exposed A and B groups regardless of time and ambient toluene level. The regression model showed that drinking of sodium benzoate was positively correlated with UHA after 1.5 hours of drinking, but not after 3 hours. In addition, sodium benzoate didn't affect UMHA.
CONCLUSIONS
This study showed that sodium benzoate initially increased UHA temporally but that its effect disappeared after 3 hours. In the medical examination of toluene exposure workers, the ingestion of drink containing sodium benzoate should be forbidden during the 3 hours prior to urinary sampling.

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Relationship between Injury Occurrence and Workplace Organization in Small-sized Manufacturing Factories: Kun Sei Lee, Hyeongsu Kim, Soung Hoon Chang, Kyung Hee Jung-Choi, Won Ki Oh, Jae Wook Choi, Kwan Hyung Yi, Ji Young Oh; Korean Journal of Occupational and Environmental Medicine 2006;18(2):73-86. Published online June 30, 2006; DOI: https://doi.org/10.35371/kjoem.2006.18.2.73

Abstract PDF

OBJECTIVE: This study evaluated the relationship between injury occurrence and workplace organization in small-sized, manufacturing factories in Korea.
METHODS
Using data from the 2004 Occupational Safety and Health Survey in Korea, this study compared workplace organizational factors (general characteristics, employee characteristics and health and safety characteristics) with injury occurrence of 1,866 small-sized, manufacturing factories (65,921 population factories after weighting). General characteristics of factories comprised location, type and classification of industry. Employee characteristics comprised proportion of manual workers and female workers, average working hours per week and shiftwork. Health and safety characteristics comprised type of safety and health manager, committee for occupational safety and health, labor union, health and safety regulation, monthly health and safety training time, score of health and safety activity and score of safety culture.
RESULTS
The following characteristics of injury-occurrence in small-sized, manufacturing factories were determined by multivariate analysis. In terms of general characteristics, the risk of injury-occurrence was higher in Jeolla area than Gyeongin area in outside associate than other enterprises and in coke, refined petroleum products and nuclear fuel, wood and products of wood, food products and beverages and fabricated metal products, except machinery and furniture industries than television and communication equipment and apparatus industries. In terms of employee characteristics, injury-occurrence significantly increased in factories with greater proportion of manual worker and with a higher rate of working hours per week. But significantly decreased in factories with a higher proportion of female workers. In terms of health and safety characteristics, injury-occurrence significantly increased in factories with a self-appointed safety manager, with unorganized union, with a more active committee for occupational safety and health, with unimplemented health and safety regulations, with longer monthly safety and health training time, and with a lower score of safety culture.
CONCLUSIONS
This study demonstrated that several factors of workplace organization were significantly related with injury-occurrence in factories. These findings are supposed to raise the need for making efforts in workplace organization to improve injury prevention.

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A Policy Intervention Study to Identify High-Risk Groups to Prevent Industrial Accidents in Republic of Korea
Kwan Hyung Yi, Seung Soo Lee
Safety and Health at Work.2016; 7(3): 213. CrossRef
Validation of Performance Indicators for Evaluation of Workplace Health Promotion
Seung Hee Ho, Young Moon Chae
American Journal of Health Promotion.2015; 29(6): 402. CrossRef
A basic research on risk control measure for reducing the fishermen's occupational accident in offshore and coastal fishing vessel
Wook-Sung Kim, Young-Bok Cho, Seok-Jae Kim, Kyong-Jin Ryu, Yoo-Won Lee
Journal of the Korean society of Fisheries Technology.2014; 50(4): 614. CrossRef
Research on the Characteristics of Working Conditions and Occupational Safety and Health in the Special form Workers
Kwan Hyung Yi
Journal of the Korean Society of Safety.2014; 29(4): 147. CrossRef
Effects of health and safety problem recognition on small business facility investment
Jisu Park, Harin Jeong, Sujin Hong, Jong-Tae Park, Dae-Sung Kim, Jongseo Kim, Hae-Joon Kim
Annals of Occupational and Environmental Medicine.2013;[Epub] CrossRef

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